{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Three classes of test objects were considered : ( 1 ) a multicompartment test object for 31P MRS measurements performed with slice - selective sequences ; ( 2 ) a two - compartment test object for volume - selection 1H MRS ; and ( 3 ) two - compartment test objects for assessing the performance of experimental systems using ISIS as volume localization sequence in 31P MRS ."}
{"GENE": []}